The prolific talent behind Radiohead’s iconic artwork reveals the creative process that has driven a career spanning more than 20 years  Widely regarded as one of the most important graphic artists of his generation, Stanley Donwood is the man behind Radiohead’s signature, yet ever-evolving, visual aesthetic. His influential work spans many practices over a 23-year period, from music packaging to installation work to printmaking. Here, he reveals his personal notebooks, photo